1. The First Americans

2. Anasazi Indians The Anasazi Indians adapted to their environment by building homes in the stone cliffs of the U.S. Southwest.

3. The European’s Arrive Europeans and other groups did not start arriving in North America until a little more than 500 years ago. For thousands of years, the first Americans had the American continents to themselves. Europeans and other groups did not start arriving in North America until a little more than 500 years ago. For thousands of years, the first Americans had the American continents to themselves.

5. Chapter Goals

6. Section 2 - Migration Routes of the First Americans

7. Migration Routes The last Ice Age was when a land bridge connected Asia and North America. This Ice Age exposed a wide bridge of land between Asia and North America that scientists call Beringia. Animals and Humans migrated over this land bridge.

8. Over thousands of years, the animals slowly spread eastward. Generations of Siberian hunter families followed. Once in America, hunters followed the animals south, where spring brought fresh grasses As the glaciers melted and the oceans rose, the land bridge disappeared.

9. Mammoths Mammoths began to die off. They could have died off from: – Disease – Overhunting – Changes in climate